S42.421D
ICD-10-CMDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with routine healing
This code signifies a complex fracture of the lower end of the right humerus, specifically above the elbow joint, that has broken into multiple pieces and is no longer in its normal anatomical alignment. It excludes fractures that extend between the condyles. The "D" extender indicates that the patient is in the healing phase following initial treatment, and the healing process is progressing as expected.
This code is appropriate for follow-up encounters where a patient is being monitored for a previously treated displaced comminuted supracondylar fracture of the right humerus, without intercondylar involvement, and the fracture is healing routinely. This would include visits for cast changes, physical therapy assessments, or imaging to confirm continued uncomplicated healing after the initial acute treatment.
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